2008•Coal Mine MachineryRequires access

Choose and Study of Wavelet Function in Fault Location

Chao Ma

Abstract

The analysis application of transition signal at mine high voltage network based on the wavelet transformation is discussed.Analyzes a different wavelet transform characteristic which in the effective signal and the random noise,studies and embodied the choice of wavelet primary function when detecting and identifying the fault signal characteristics in the traveling wave range finder protection of mine high voltage power.MATLAB simulation results show that selected wavelet primary function according to the signal feature has a strong detection capability and detection precision.

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Key concepts: Wavelet, SIGNAL (programming language), Fault (geology), Transformation (genetics), Wavelet transform, Noise (video), MATLAB, Pattern recognition (psychology)